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It's currently labeled as a category 2 substance, meaning that the FDA has identified an ingredient as having a possible safety risk and it cannot be used in compounded medications
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Research that analysed 303 men with infertility found a significant positive monotonic relationship between serum vitamin B12 and total testosterone ( = 0.19, P = 0.001) [16]
Store the product in a cool, dry place away from direct sunlight to preserve its potency
A Closer Look at B12 Injections for Athletic Performance Athletes and fitness enthusiasts can benefit significantly from having optimal vitamin B12 levels, as this nutrient plays several critical roles in physical performance and recovery
Serious side effects are rare when injections are administered correctly
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